Mandla Mandela, grandson of Nelson Mandela and Chief of the Mvezo

Traditional Council, moved an audience of more then 800 to tears when he spoke about the importance of compassion at a special UNSW event.

In a speech entitled Mandela's Legacy -- the Next Challenges for South Africa, Mandla talked about his famous family, his relationship with his grandfather, the struggle against apartheid and the significance of Mandela's 90th birthday.

He also spoke about the new challenges South Africa faces, including poverty and HIV/AIDS.